What is the distinguishing feature of Bolden's band that was later recognized as a necessary feature of jazz
A. The ability to be totally absorbed in the music.
B. Improvisation.
Collective improvisation.
D. Ragtime with spontaneous additions.
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在FIDIC合同条件下，( )有权将工程的部分项目的实施发包给指定的分包商。
A. 业主
B. 承包商
C. 分包商
D. 设计单位
According to the author, which of the following contributes to the development of political ideology during adolescence
A. Conscious recognition by the adolescent of his or her own naiveté.
B. Thorough comprehension of the concept of ordination.
C. Evaluation by the adolescent of the general principles encompassing his or her specific political ideas.
D. Intuitive understanding of relationships among various components of society.
下列不属于我国艺术家张艺谋执导的电影是______。
A. 《英雄》
B. 《一个都不能少》
C. 《我的父亲母亲》
D. 《漂亮妈妈》
在FIDIC合同条件下，某工程保留金总额是450万元，其中一个区段的工程已被业主接收并颁发了接收证书，该区段的合同价值占总工程的20%，则应返还的保留金是( )万元。
A. 36
B. 18
C. 45
D. 60
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